Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 4159:718f2154b813 stable-1.0
Merging r3933, r4154:
A new fix for the case when ssl_session_cache defined, but ssl is not
enabled in any server. The previous r1033 does not help when unused zone
becomes used after reconfiguration, so it is backed out.
The initial thought was to make SSL modules independed from SSL implementation
and to keep OpenSSL code dependance as much as in separate files.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 30 Sep 2011 13:36:33 +0000 |
| parents | ac33852faaac |
| children | d620f497c50f |
| rev | line source |
|---|---|
|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
| 1136 | 10 #include <ngx_mail.h> |
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11 |
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12 |
| 1136 | 13 static void ngx_mail_init_session(ngx_connection_t *c); |
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14 |
| 1136 | 15 #if (NGX_MAIL_SSL) |
| 16 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
| 17 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
| 539 | 18 #endif |
| 19 | |
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20 |
| 521 | 21 void |
| 1136 | 22 ngx_mail_init_connection(ngx_connection_t *c) |
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23 { |
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24 ngx_uint_t i; |
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25 ngx_mail_port_t *port; |
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26 struct sockaddr *sa; |
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27 struct sockaddr_in *sin; |
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28 ngx_mail_log_ctx_t *ctx; |
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29 ngx_mail_in_addr_t *addr; |
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30 ngx_mail_session_t *s; |
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31 ngx_mail_addr_conf_t *addr_conf; |
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32 #if (NGX_HAVE_INET6) |
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33 struct sockaddr_in6 *sin6; |
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34 ngx_mail_in6_addr_t *addr6; |
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35 #endif |
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36 |
| 641 | 37 |
| 38 /* find the server configuration for the address:port */ | |
| 39 | |
| 40 /* AF_INET only */ | |
| 41 | |
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42 port = c->listening->servers; |
| 641 | 43 |
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44 if (port->naddrs > 1) { |
| 641 | 45 |
| 46 /* | |
| 47 * There are several addresses on this port and one of them | |
| 48 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 49 * the server address. | |
| 50 * | |
| 51 * AcceptEx() already gave this address. | |
| 52 */ | |
| 53 | |
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54 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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55 ngx_mail_close_connection(c); |
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56 return; |
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57 } |
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58 |
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59 sa = c->local_sockaddr; |
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60 |
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61 switch (sa->sa_family) { |
| 541 | 62 |
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63 #if (NGX_HAVE_INET6) |
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64 case AF_INET6: |
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65 sin6 = (struct sockaddr_in6 *) sa; |
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66 |
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67 addr6 = port->addrs; |
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68 |
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69 /* the last address is "*" */ |
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70 |
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71 for (i = 0; i < port->naddrs - 1; i++) { |
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72 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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73 break; |
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74 } |
| 641 | 75 } |
| 76 | |
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77 addr_conf = &addr6[i].conf; |
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78 |
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79 break; |
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80 #endif |
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81 |
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82 default: /* AF_INET */ |
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83 sin = (struct sockaddr_in *) sa; |
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84 |
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85 addr = port->addrs; |
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86 |
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87 /* the last address is "*" */ |
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88 |
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89 for (i = 0; i < port->naddrs - 1; i++) { |
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90 if (addr[i].addr == sin->sin_addr.s_addr) { |
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91 break; |
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92 } |
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93 } |
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94 |
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95 addr_conf = &addr[i].conf; |
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96 |
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97 break; |
| 641 | 98 } |
| 99 | |
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100 } else { |
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101 switch (c->local_sockaddr->sa_family) { |
| 641 | 102 |
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103 #if (NGX_HAVE_INET6) |
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104 case AF_INET6: |
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105 addr6 = port->addrs; |
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106 addr_conf = &addr6[0].conf; |
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107 break; |
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108 #endif |
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109 |
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110 default: /* AF_INET */ |
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111 addr = port->addrs; |
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112 addr_conf = &addr[0].conf; |
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113 break; |
| 641 | 114 } |
| 115 } | |
| 116 | |
| 1136 | 117 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
| 641 | 118 if (s == NULL) { |
| 1136 | 119 ngx_mail_close_connection(c); |
| 541 | 120 return; |
| 577 | 121 } |
| 541 | 122 |
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123 s->main_conf = addr_conf->ctx->main_conf; |
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124 s->srv_conf = addr_conf->ctx->srv_conf; |
| 641 | 125 |
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126 s->addr_text = &addr_conf->addr_text; |
| 641 | 127 |
| 128 c->data = s; | |
| 129 s->connection = c; | |
| 130 | |
| 131 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
| 132 c->number, &c->addr_text, s->addr_text); | |
| 133 | |
| 1136 | 134 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 135 if (ctx == NULL) { |
| 1136 | 136 ngx_mail_close_connection(c); |
| 641 | 137 return; |
| 138 } | |
| 139 | |
| 140 ctx->client = &c->addr_text; | |
| 141 ctx->session = s; | |
| 541 | 142 |
| 143 c->log->connection = c->number; | |
| 1136 | 144 c->log->handler = ngx_mail_log_error; |
| 641 | 145 c->log->data = ctx; |
| 541 | 146 c->log->action = "sending client greeting line"; |
| 147 | |
| 148 c->log_error = NGX_ERROR_INFO; | |
| 149 | |
| 1136 | 150 #if (NGX_MAIL_SSL) |
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151 { |
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152 ngx_mail_ssl_conf_t *sslcf; |
| 543 | 153 |
| 1136 | 154 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 155 |
| 156 if (sslcf->enable) { | |
| 2224 | 157 c->log->action = "SSL handshaking"; |
| 158 | |
| 1136 | 159 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 160 return; |
| 543 | 161 } |
| 2224 | 162 |
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163 if (addr_conf->ssl) { |
| 2224 | 164 |
| 165 c->log->action = "SSL handshaking"; | |
| 166 | |
| 167 if (sslcf->ssl.ctx == NULL) { | |
| 168 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 169 "no \"ssl_certificate\" is defined " | |
| 170 "in server listening on SSL port"); | |
| 171 ngx_mail_close_connection(c); | |
| 172 return; | |
| 173 } | |
| 174 | |
| 175 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
| 176 return; | |
| 177 } | |
| 178 | |
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179 } |
| 543 | 180 #endif |
| 181 | |
| 1136 | 182 ngx_mail_init_session(c); |
| 541 | 183 } |
| 184 | |
| 185 | |
| 1136 | 186 #if (NGX_MAIL_SSL) |
| 547 | 187 |
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188 void |
| 1136 | 189 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 190 { |
| 191 ngx_connection_t *c; | |
| 1136 | 192 ngx_mail_session_t *s; |
| 193 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 194 |
| 195 c = rev->data; | |
| 196 s = c->data; | |
| 641 | 197 s->starttls = 1; |
| 583 | 198 |
| 199 c->log->action = "in starttls state"; | |
| 200 | |
| 1136 | 201 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 202 |
| 1136 | 203 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 204 } |
| 205 | |
| 206 | |
| 207 static void | |
| 1136 | 208 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 209 { |
| 1136 | 210 ngx_mail_session_t *s; |
| 211 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 212 |
| 213 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 214 ngx_mail_close_connection(c); |
| 583 | 215 return; |
| 216 } | |
| 217 | |
| 218 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 219 | |
| 641 | 220 s = c->data; |
| 221 | |
| 1136 | 222 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 223 |
| 224 ngx_add_timer(c->read, cscf->timeout); | |
| 225 | |
| 1136 | 226 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 227 |
| 228 return; | |
| 229 } | |
| 230 | |
| 1136 | 231 ngx_mail_ssl_handshake_handler(c); |
| 583 | 232 } |
| 233 | |
| 234 | |
| 235 static void | |
| 1136 | 236 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 237 { |
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238 ngx_mail_session_t *s; |
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239 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 240 |
| 547 | 241 if (c->ssl->handshaked) { |
| 583 | 242 |
| 641 | 243 s = c->data; |
| 244 | |
| 245 if (s->starttls) { | |
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246 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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247 |
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248 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 249 c->write->handler = ngx_mail_send; |
| 583 | 250 |
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251 cscf->protocol->init_protocol(c->read); |
| 583 | 252 |
| 253 return; | |
| 254 } | |
| 255 | |
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256 c->read->ready = 0; |
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257 |
| 1136 | 258 ngx_mail_init_session(c); |
| 547 | 259 return; |
| 260 } | |
| 261 | |
| 1136 | 262 ngx_mail_close_connection(c); |
| 547 | 263 } |
| 264 | |
| 265 #endif | |
| 266 | |
| 267 | |
| 268 static void | |
| 1136 | 269 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 270 { |
| 1136 | 271 ngx_mail_session_t *s; |
| 272 ngx_mail_core_srv_conf_t *cscf; | |
|
417
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273 |
| 641 | 274 s = c->data; |
|
413
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275 |
| 1136 | 276 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 277 |
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278 s->protocol = cscf->protocol->type; |
| 539 | 279 |
| 1136 | 280 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 281 if (s->ctx == NULL) { |
| 1136 | 282 ngx_mail_session_internal_server_error(s); |
| 539 | 283 return; |
| 284 } | |
| 285 | |
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286 c->write->handler = ngx_mail_send; |
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287 |
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288 cscf->protocol->init_session(s, c); |
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289 } |
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290 |
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291 |
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292 ngx_int_t |
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293 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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294 ngx_mail_core_srv_conf_t *cscf) |
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295 { |
| 2049 | 296 s->salt.data = ngx_pnalloc(c->pool, |
| 297 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 298 + NGX_TIME_T_LEN | |
| 299 + cscf->server_name.len); | |
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300 if (s->salt.data == NULL) { |
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301 return NGX_ERROR; |
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302 } |
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303 |
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304 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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305 ngx_random(), ngx_time(), &cscf->server_name) |
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306 - s->salt.data; |
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307 |
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308 return NGX_OK; |
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309 } |
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310 |
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311 |
| 1479 | 312 #if (NGX_MAIL_SSL) |
| 313 | |
| 314 ngx_int_t | |
| 315 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 316 { | |
| 317 ngx_mail_ssl_conf_t *sslcf; | |
| 318 | |
| 319 if (c->ssl) { | |
| 320 return 0; | |
| 321 } | |
| 322 | |
| 323 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 324 | |
| 325 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 326 return 1; | |
| 327 } | |
| 328 | |
| 329 return 0; | |
| 330 } | |
| 331 | |
| 332 #endif | |
| 333 | |
| 334 | |
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335 ngx_int_t |
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336 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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337 { |
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338 u_char *p, *last; |
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339 ngx_str_t *arg, plain; |
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340 |
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341 arg = s->args.elts; |
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342 |
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343 #if (NGX_DEBUG_MAIL_PASSWD) |
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344 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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345 "mail auth plain: \"%V\"", &arg[n]); |
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346 #endif |
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347 |
| 2049 | 348 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 349 if (plain.data == NULL) { |
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350 return NGX_ERROR; |
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351 } |
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352 |
|
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353 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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354 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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355 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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356 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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357 } |
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358 |
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359 p = plain.data; |
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360 last = p + plain.len; |
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361 |
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362 while (p < last && *p++) { /* void */ } |
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363 |
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364 if (p == last) { |
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365 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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366 "client sent invalid login in AUTH PLAIN command"); |
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367 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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368 } |
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369 |
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370 s->login.data = p; |
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371 |
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372 while (p < last && *p) { p++; } |
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373 |
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374 if (p == last) { |
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375 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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376 "client sent invalid password in AUTH PLAIN command"); |
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377 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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378 } |
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379 |
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380 s->login.len = p++ - s->login.data; |
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381 |
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382 s->passwd.len = last - p; |
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383 s->passwd.data = p; |
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384 |
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385 #if (NGX_DEBUG_MAIL_PASSWD) |
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386 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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387 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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388 #endif |
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389 |
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390 return NGX_DONE; |
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391 } |
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392 |
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393 |
|
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394 ngx_int_t |
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395 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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396 ngx_uint_t n) |
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397 { |
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398 ngx_str_t *arg; |
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399 |
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400 arg = s->args.elts; |
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401 |
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402 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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403 "mail auth login username: \"%V\"", &arg[n]); |
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404 |
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405 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 406 if (s->login.data == NULL) { |
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407 return NGX_ERROR; |
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408 } |
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409 |
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410 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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411 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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412 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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413 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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414 } |
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415 |
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416 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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417 "mail auth login username: \"%V\"", &s->login); |
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418 |
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419 return NGX_OK; |
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420 } |
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421 |
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422 |
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423 ngx_int_t |
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424 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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425 { |
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426 ngx_str_t *arg; |
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427 |
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428 arg = s->args.elts; |
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429 |
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430 #if (NGX_DEBUG_MAIL_PASSWD) |
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431 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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432 "mail auth login password: \"%V\"", &arg[0]); |
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433 #endif |
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434 |
| 2049 | 435 s->passwd.data = ngx_pnalloc(c->pool, |
| 436 ngx_base64_decoded_length(arg[0].len)); | |
| 3642 | 437 if (s->passwd.data == NULL) { |
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438 return NGX_ERROR; |
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439 } |
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440 |
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441 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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442 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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443 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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444 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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445 } |
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446 |
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447 #if (NGX_DEBUG_MAIL_PASSWD) |
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448 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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449 "mail auth login password: \"%V\"", &s->passwd); |
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450 #endif |
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451 |
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452 return NGX_DONE; |
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453 } |
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454 |
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455 |
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456 ngx_int_t |
| 1479 | 457 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 458 char *prefix, size_t len) | |
| 459 { | |
| 460 u_char *p; | |
| 461 ngx_str_t salt; | |
| 462 ngx_uint_t n; | |
| 463 | |
| 2049 | 464 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 465 if (p == NULL) { |
| 466 return NGX_ERROR; | |
| 467 } | |
| 468 | |
| 469 salt.data = ngx_cpymem(p, prefix, len); | |
| 470 s->salt.len -= 2; | |
| 471 | |
| 472 ngx_encode_base64(&salt, &s->salt); | |
| 473 | |
| 474 s->salt.len += 2; | |
| 475 n = len + salt.len; | |
| 476 p[n++] = CR; p[n++] = LF; | |
| 477 | |
| 478 s->out.len = n; | |
| 479 s->out.data = p; | |
| 480 | |
| 481 return NGX_OK; | |
| 482 } | |
| 483 | |
| 484 | |
| 485 ngx_int_t | |
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486 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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487 { |
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488 u_char *p, *last; |
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489 ngx_str_t *arg; |
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490 |
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491 arg = s->args.elts; |
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492 |
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493 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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494 "mail auth cram-md5: \"%V\"", &arg[0]); |
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495 |
| 2049 | 496 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
| 3642 | 497 if (s->login.data == NULL) { |
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498 return NGX_ERROR; |
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499 } |
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500 |
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501 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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502 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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503 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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504 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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505 } |
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506 |
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507 p = s->login.data; |
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508 last = p + s->login.len; |
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509 |
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510 while (p < last) { |
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511 if (*p++ == ' ') { |
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512 s->login.len = p - s->login.data - 1; |
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513 s->passwd.len = last - p; |
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514 s->passwd.data = p; |
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515 break; |
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516 } |
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517 } |
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518 |
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519 if (s->passwd.len != 32) { |
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520 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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521 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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522 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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523 } |
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524 |
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525 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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526 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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527 |
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528 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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529 |
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530 return NGX_DONE; |
| 539 | 531 } |
| 532 | |
| 533 | |
| 534 void | |
| 1136 | 535 ngx_mail_send(ngx_event_t *wev) |
| 539 | 536 { |
| 541 | 537 ngx_int_t n; |
| 538 ngx_connection_t *c; | |
| 1136 | 539 ngx_mail_session_t *s; |
| 540 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 541 |
| 542 c = wev->data; | |
| 543 s = c->data; | |
| 544 | |
| 545 if (wev->timedout) { | |
| 546 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 547 c->timedout = 1; |
| 1136 | 548 ngx_mail_close_connection(c); |
| 539 | 549 return; |
| 550 } | |
| 551 | |
| 552 if (s->out.len == 0) { | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
553 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 554 ngx_mail_close_connection(c); |
| 539 | 555 } |
| 556 | |
| 557 return; | |
| 558 } | |
| 559 | |
| 560 n = c->send(c, s->out.data, s->out.len); | |
| 561 | |
| 562 if (n > 0) { | |
| 563 s->out.len -= n; | |
| 564 | |
| 541 | 565 if (wev->timer_set) { |
| 566 ngx_del_timer(wev); | |
| 567 } | |
| 568 | |
| 539 | 569 if (s->quit) { |
| 1136 | 570 ngx_mail_close_connection(c); |
| 539 | 571 return; |
| 572 } | |
| 573 | |
| 574 if (s->blocked) { | |
| 575 c->read->handler(c->read); | |
| 576 } | |
| 577 | |
| 578 return; | |
| 579 } | |
| 580 | |
| 581 if (n == NGX_ERROR) { | |
| 1136 | 582 ngx_mail_close_connection(c); |
| 539 | 583 return; |
| 584 } | |
| 585 | |
| 586 /* n == NGX_AGAIN */ | |
| 587 | |
| 1136 | 588 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 589 |
| 590 ngx_add_timer(c->write, cscf->timeout); | |
| 591 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
592 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 593 ngx_mail_close_connection(c); |
| 539 | 594 return; |
| 595 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
596 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
597 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
598 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
599 ngx_int_t |
| 1482 | 600 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c) |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
601 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
602 ssize_t n; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
603 ngx_int_t rc; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
604 ngx_str_t l; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
605 ngx_mail_core_srv_conf_t *cscf; |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
606 |
| 1482 | 607 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
608 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
609 if (n == NGX_ERROR || n == 0) { |
| 1482 | 610 ngx_mail_close_connection(c); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
611 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
612 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
613 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
614 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
615 s->buffer->last += n; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
617 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
618 if (n == NGX_AGAIN) { |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
619 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
| 1136 | 620 ngx_mail_session_internal_server_error(s); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
623 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 return NGX_AGAIN; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
625 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
627 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
628 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
629 rc = cscf->protocol->parse_command(s); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
630 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
631 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
632 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
633 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
634 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
635 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
636 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
637 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
638 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
639 |
| 1482 | 640 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
641 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
642 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
643 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
644 |
| 1136 | 645 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
646 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
647 |
| 1136 | 648 if (rc == NGX_IMAP_NEXT || rc == NGX_MAIL_PARSE_INVALID_COMMAND) { |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
649 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
650 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
651 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
652 if (rc == NGX_ERROR) { |
| 1482 | 653 ngx_mail_close_connection(c); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
654 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
655 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
656 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
657 return NGX_OK; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
658 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
659 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
660 |
| 521 | 661 void |
| 1482 | 662 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
663 { |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
664 s->args.nelts = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
665 s->buffer->pos = s->buffer->start; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
666 s->buffer->last = s->buffer->start; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
667 s->state = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
668 |
| 1482 | 669 if (c->read->timer_set) { |
| 670 ngx_del_timer(c->read); | |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
671 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
672 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
673 s->login_attempt++; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
674 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
675 ngx_mail_auth_http_init(s); |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
676 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
677 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
678 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
679 void |
| 1136 | 680 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 681 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
682 ngx_mail_core_srv_conf_t *cscf; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
683 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
684 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
685 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
686 s->out = cscf->protocol->internal_server_error; |
| 539 | 687 s->quit = 1; |
| 525 | 688 |
| 1136 | 689 ngx_mail_send(s->connection->write); |
| 525 | 690 } |
| 691 | |
| 692 | |
| 693 void | |
| 1136 | 694 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
695 { |
| 479 | 696 ngx_pool_t *pool; |
| 697 | |
| 1136 | 698 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 699 "close mail connection: %d", c->fd); | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
700 |
| 1136 | 701 #if (NGX_MAIL_SSL) |
| 539 | 702 |
| 703 if (c->ssl) { | |
| 704 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 705 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 706 return; |
| 707 } | |
| 708 } | |
| 709 | |
| 710 #endif | |
| 711 | |
|
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
712 #if (NGX_STAT_STUB) |
|
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
713 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
|
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
714 #endif |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
715 |
| 583 | 716 c->destroyed = 1; |
| 543 | 717 |
| 479 | 718 pool = c->pool; |
| 719 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
720 ngx_close_connection(c); |
| 479 | 721 |
| 501 | 722 ngx_destroy_pool(pool); |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
723 } |
| 539 | 724 |
| 725 | |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
726 u_char * |
| 1136 | 727 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 728 { |
| 567 | 729 u_char *p; |
| 1136 | 730 ngx_mail_session_t *s; |
| 731 ngx_mail_log_ctx_t *ctx; | |
| 541 | 732 |
| 733 if (log->action) { | |
| 734 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 735 len -= p - buf; | |
| 736 buf = p; | |
| 737 } | |
| 577 | 738 |
| 541 | 739 ctx = log->data; |
| 740 | |
| 741 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 742 len -= p - buf; | |
| 743 buf = p; | |
| 744 | |
| 745 s = ctx->session; | |
| 746 | |
| 747 if (s == NULL) { | |
| 748 return p; | |
| 749 } | |
| 750 | |
| 1491 | 751 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 752 s->starttls ? " using starttls" : "", | |
| 753 s->addr_text); | |
| 541 | 754 len -= p - buf; |
| 755 buf = p; | |
| 756 | |
| 757 if (s->login.len == 0) { | |
| 758 return p; | |
| 759 } | |
| 760 | |
| 761 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 762 len -= p - buf; | |
| 763 buf = p; | |
| 764 | |
| 765 if (s->proxy == NULL) { | |
| 766 return p; | |
| 767 } | |
| 768 | |
| 884 | 769 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 770 |
| 771 return p; | |
| 772 } |